1 /* 2 * Copyright 2009 The Android Open Source Project 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkImageEncoder.h" 9 #include "SkBitmap.h" 10 #include "SkStream.h" 11 #include "SkTemplates.h" 12 13 SkImageEncoder::~SkImageEncoder() {} 14 15 bool SkImageEncoder::encodeStream(SkWStream* stream, const SkBitmap& bm, 16 int quality) { 17 quality = SkMin32(100, SkMax32(0, quality)); 18 return this->onEncode(stream, bm, quality); 19 } 20 21 bool SkImageEncoder::encodeFile(const char file[], const SkBitmap& bm, 22 int quality) { 23 quality = SkMin32(100, SkMax32(0, quality)); 24 SkFILEWStream stream(file); 25 return this->onEncode(&stream, bm, quality); 26 } 27 28 SkData* SkImageEncoder::encodeData(const SkBitmap& bm, int quality) { 29 SkDynamicMemoryWStream stream; 30 quality = SkMin32(100, SkMax32(0, quality)); 31 if (this->onEncode(&stream, bm, quality)) { 32 return stream.copyToData(); 33 } 34 return NULL; 35 } 36 37 bool SkImageEncoder::EncodeFile(const char file[], const SkBitmap& bm, Type t, 38 int quality) { 39 SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t)); 40 return enc.get() && enc.get()->encodeFile(file, bm, quality); 41 } 42 43 bool SkImageEncoder::EncodeStream(SkWStream* stream, const SkBitmap& bm, Type t, 44 int quality) { 45 SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t)); 46 return enc.get() && enc.get()->encodeStream(stream, bm, quality); 47 } 48 49 SkData* SkImageEncoder::EncodeData(const SkBitmap& bm, Type t, int quality) { 50 SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t)); 51 return enc.get() ? enc.get()->encodeData(bm, quality) : NULL; 52 } 53 54 SkData* SkImageEncoder::EncodeData(const SkImageInfo& info, const void* pixels, size_t rowBytes, 55 Type t, int quality) { 56 SkBitmap bm; 57 if (!bm.installPixels(info, const_cast<void*>(pixels), rowBytes)) { 58 return NULL; 59 } 60 SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t)); 61 return enc.get() ? enc.get()->encodeData(bm, quality) : NULL; 62 } 63
